docs: def _get_data_by_field(self, field_number):
          """Return a data field by field number.
  
          This is a useful method to get the values for fields that Ladybug
          currently doesn't import by default. You can find list of fields by typing
          EPWFields.fields
  
          Args:
              field_number: a value between 0 to 34 for different available epw fields.
  
          Returns:
              An annual Ladybug list
          """
          if not self.is_data_loaded:
              self._import_data()
  
          # check input data
          if not 0 <= field_number < self._num_of_fields:
              raise ValueError("Field number should be between 0-%d" % self._num_of_fields)
  
          return self._data[field_number]